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Linear covariance for nonlinear formal representations of the Poincaré group in 2+1 dimensions

✍ Scribed by G. Rideau

Publisher
Springer
Year
1990
Tongue
English
Weight
395 KB
Volume
20
Category
Article
ISSN
0377-9017

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📜 SIMILAR VOLUMES

Nontrivial extensions of a massless repr
Nontrivial extensions of a massless representation with definite helicity of the Poincaré group in 3+1 dimensions by the tensor product of two other massless representations with definite helicity
✍ G. Rideau 📂 Article 📅 1988 🏛 Springer 🌐 English ⚖ 389 KB

Let Un(a, A) be a massless, helicity n/2, representation of the Poinear6 group in 3 + 1 dimensions. Un(a,A) is realized in an adapted nuclear space ~n. We explicitly determine the various classes of cohomology for the extension of Un(a, A) by Un1(a, A)| Un2(a, A).